Electrical Machines In synchronous motor the torque is proportional to 1/P P² Power P 1/P² 1/P P² Power P 1/P² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 2.56 %. 2.57 %. 4.76%. 3.76%. 2.56 %. 2.57 %. 4.76%. 3.76%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron losses in a DC machine are independent of variation in voltage. speed and voltage. load. speed. voltage. speed and voltage. load. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor increases. None of these decreases. remains same. increases. None of these decreases. remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on voltage load angle both 1and 2 reactance voltage load angle both 1and 2 reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be 0.72. 1.24. 0.25. 0.62. 0.72. 1.24. 0.25. 0.62. ANSWER DOWNLOAD EXAMIANS APP
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